1388402880230

素因数分解:

$2^1\times 5^1\times {\mathrm{70487}}^1\times {\mathrm{1969729}}^1$

素因数の和:2040223

約数の個数: 16

約数和(自身を含む): 2499161908320

約数和(自身を除く): 1110759028090

約数列:

[1, 2, 5, 10, 70487, 140974, 352435, 704870, 1969729, 3939458, 9848645, 19697290, 138840288023, 277680576046, 694201440115, 1388402880230]

約数ペア:

[(1, 1388402880230), (2, 694201440115), (5, 277680576046), (10, 138840288023), (70487, 19697290), (140974, 9848645), (352435, 3939458), (704870, 1969729)]